(1) Only seven films (or 0.7 percent of the entire cohort) showed nodular or rounded opacities of the type typically seen in uncomplicated silicosis.
(2) The reference cohort consisted of 1725845 men otherwise gainfully employed.
(3) Therefore, we examined the relationship between the usual number of drinks consumed per occasion and the incidence of fatal injuries in a cohort of US adults.
(4) Detailed treatment data were obtained for 23 cases and 89 matched controls from the childhood cancer cohort.
(5) The 20-25 year-old cohort was found to yield the most promising results; however, a statistical difference was not found to exist using the volume or area.
(6) The pattern of neuropsychological deficits across HIV-1 states was similar to those found in cohorts of homosexual men.
(7) The relationship between subjective state of health and 5-year survival in an elderly cohort was examined.
(8) As it was, Labour limped in seven points and nearly two million votes behind the Conservatives because older cohorts of the electorate leant heavily to the Tories and grandpa and grandma turned up at the polling stations in the largest numbers.
(9) Psychologic depression as measured by the Minnesota Multiphasic Personality Inventory (MMPI) in a cohort of 2018 middle-aged men employed at the Western Electric Company in 1957-1958 was positively associated with 20-year incidence and mortality from cancer.
(10) Follow-up of a cohort of 1,165 steelworkers exposed to acid mists has been extended from 1981 to early 1986 for most cohort members, and information on smoking has also been collected.
(11) Second, the commonly drawn analogy between blocking in randomized trials and matching in cohort studies is misleading when one considers the impact of matching on covariate distributions.
(12) Although the entire cohort of neck patients, regardless of group assignment, improved significantly on all the outcome variables over the 6-week period, patients receiving intermittent traction performed significantly better than those assigned to the no traction group in terms of pain (P = 0.03), forward flexion (P = 0.01), right rotation (P = 0.004) and left rotation (P = 0.05).
(13) The HIV-1-positive cohort answered more questions correctly (mean = 8.5) than did the HIV-1-negative cohort (mean = 6.5), largely as a result of general information about AIDS among those with steady sexual partners.
(14) However, in this cohort under study, semen characteristics of AR(+) and AR(-) patients were similar.
(15) These occurred in the more heavily pretreated members of the cohort.
(16) The present investigation utilized this long-term cohort study to assess the role of drinking and cigarette smoking habits in the causation of liver cancer.
(17) To determine whether electromagnetic fields emitted by VDTs are associated with an increased risk of spontaneous abortion, a cohort of female telephone operators who used VDTs at work was compared with a cohort of operators who did not use VDTs.
(18) In a cohort of 417 patients admitted consecutively to the Coronary Care Unit for acute myocardial ischemia (unstable angina pectoris in 121, acute myocardial infarction in 296 patients) 21 cases of non arrhythmogenic sudden death occurred within 24 hours after admission.
(19) These observations were made on a large cohort that could not be accumulated at an individual center.
(20) In the first part of the investigation, we reviewed the occurrence of urinary tract infection in a cohort of 3,924 infants born at our institution during a 4-year period.